The penetration rate of LED lighting in the steel mill lighting market is very low Posted on 2023-12-15
In November, the price of chemical raw materials in China decreased by 2.3% year-on-year Posted on 2023-12-15
Test method for water vapor permeability of meat pine PA composite membrane packaging Posted on 2023-12-15
Ship fuel energy saving and emission reduction new technology research project started Posted on 2023-12-15